Comparison

Guide to Diagnostic Tests vs docLogica

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Guide to Diagnostic Tests

Access evidence-based information on over 450 diagnostic tests, including lab work, imaging, and therapeutic monitoring. This resource helps healthcare professionals quickly find answers to common questions about test selection, interpretation, and patient preparation.

Highlights
  • 450+ diagnostic tests
  • Evidence-based recommendations
  • Algorithms, tables, and charts
  • PubMed links
  • Custom notes and highlighting
  • Full-text search
  • Favorites for bookmarking
Features
Read full description

ABOUT GUIDE TO DIAGNOSTIC TESTS Pocket Guide to Diagnostic Tests, provides immediate, evidence-based information on the selection and interpretation of commonly used laboratory and electrocardiographic tests, diagnostic imaging, and therapeutic monitoring. Including more than 450 updated diagnostic tests, this mobile resource is ideal for answering questions encountered daily by physicians, nurses, students, and other healthcare professionals, such as: • Which test is best to diagnose or follow a patient’s condition? • What is the correct interpretation of an abnormal diagnostic test? • How do I collect the appropriate specimen or prepare the patient for testing? • Where can I find more information on this test in the medical literature? FEATURES • 450+ updated laboratory and diagnostic tests • Evidence-based recommendations • New and updated coverage of emerging and re-emerging pathogens and infectious agents • Extensive use of algorithms, tables, and charts • PubMed links directly to journal citations and available articles • Highlight and make custom notes within any entry • Full Text Search – find topics across from any entry • ‘Favorites’ for bookmarking important entries Editors: Diana Nicoll, MD, PhD, MPA; Chuanyi Mark Lu, MD; Stephen J. McPhee, MD Publisher: McGraw Hill Powered by: Unbound Medicine

About

docLogica

A comprehensive, searchable medical database for healthcare professionals. Access detailed disease information, diagnostic test accuracies, and a powerful differential diagnosis generator at the point of care.

Highlights
  • 1700+ diseases with symptoms and incidence
  • 1200+ diagnostic test accuracies
  • Powerful differential diagnosis generator
  • Disease probabilities from real population data
  • Point-of-care information access
Features
Read full description

Made by doctors, for doctors; docLogica is the most robust and comprehensive, searchable database of disease characteristics and test accuracies in the world. Giving you all the information you need bedside, at your fingertips. Features: - Over 1700 diseases including associated symptoms, symptom frequencies, and population incidence data - Over 1200 diagnostic test accuracies, so you never order a useless test again - The most powerful DDx generator available - Disease incidences and probabilities for common presentations from real population data Subscription details: Get a 1-week free trial when you sign up for a yearly subscription! This app contains paid features that are only available with a subscription. The duration of each subscription period is either 1 month or 1 year and your payment will be charged to your iTunes Account once you confirm your purchase. You will be billed after the free trial is over (unless you cancel at least 24 hours before the end date), and then rebilled annually. Your iTunes account will be charged again at the same price when your subscriptions automatically renews at the end of your subscription period unless you turn off auto-renew at least 24 hours prior to the end of this period. You can manage and turn off your subscription in your Apple ID Account Settings any time after purchase. View our privacy policy or terms of service here: www.docLogica.com/html/privacypolicy.html www.docLogica.com/html/termsofuse.html

Screenshots

Guide to Diagnostic Tests4 screens
docLogica4 screens

Verdict

The call

Guide to Diagnostic Tests and docLogica both sit at 4.6 stars, but that hides the real split: 80% of docLogica's written reviews are positive against 0% of Guide to Diagnostic Tests's. docLogica also leads on update cadence (every 2 weeks vs every 9 months) and iOS requirement (13.4 vs 15.0). Guide to Diagnostic Tests's advantage is ads (none vs shown). On price, rating, ratings volume and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Guide to Diagnostic Tests sells 1 one-off in-app purchase and docLogica sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Guide to Diagnostic Tests against 4.5 for docLogica. Both are backed by a comparable volume of ratings — 35 and 32 respectively. Written reviews are what separate them: 0% of Guide to Diagnostic Tests's written reviews are positive against 80% of docLogica's.

UpkeepUpdate frequency

Guide to Diagnostic Tests ships an update every 9 months, docLogica every 2 weeks. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Guide to Diagnostic Tests versus docLogica: the parameters behind the verdict, then further details
ParameterGuide to Diagnostic TestsdocLogica
PriceFreeFree
Rating4.6 (35 ratings) — better4.5 (32 ratings)
Positive reviews0.0% of reviews80.0% of reviews — better
Number of ratings35 — better32
Update frequencyEvery 9 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.4 — better
Further details — not scored
Size10 MB19 MB
Age rating17+17+
DeveloperUnbound Medicine, Inc.Michael Garfinkle

Customer experience

Guide to Diagnostic Tests

All ratings35 ratings
Positive88.6%
Neutral5.7%
Negative5.7%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

docLogica

All ratings32 ratings
Positive84.4%
Neutral9.4%
Negative6.3%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

1 purchases

Guide to Diagnostic Tests

One-time1
  • Pocket Guide to Diagnostic Tests$54.99
2 purchases

docLogica

Subscriptions2
  • Monthly Subscription$2.991 Month
  • Yearly Subscription7 Days trial$29.991 Year

Questions

Is Guide to Diagnostic Tests free?
Guide to Diagnostic Tests is free to download, with in-app purchases available.
Is docLogica free?
docLogica is free to download, with in-app purchases available.
Which has better reviews, Guide to Diagnostic Tests or docLogica?
Guide to Diagnostic Tests is rated higher. Guide to Diagnostic Tests averages 4.6 out of 5 from 35 ratings, while docLogica averages 4.5 from 32 ratings.
Do Guide to Diagnostic Tests or docLogica have ads?
docLogica shows ads; Guide to Diagnostic Tests does not.
Which is updated more often, Guide to Diagnostic Tests or docLogica?
Guide to Diagnostic Tests ships an update every 9 months, and docLogica every 2 weeks. Most recently, Guide to Diagnostic Tests was updated on October 24, 2026 and docLogica on October 24, 2026.

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